Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 265, NWS Norman, OK

June 8, 1998Knox County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Jun 8, 1998, 2:21 AM CDT for Knox County, Texas. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 8, 1998, 2:21 AM CDT (07:21 UTC)
Expired: Jun 8, 1998, 3:00 AM CDT
In force: 39 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Knox County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 7.4 hours before the alert went out and 255 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 459 J/kg
Mixed-layer CIN: -164 J/kg
Mixed-layer LCL: 627 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 312 m²/s²
0-3 km storm-relative helicity: 312 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 7, 9:30 PM CDT, 4 hours 51 minutes earlier.

Area forecast discussion, Jun 7, 9:30 PM CDT, 4 hours 51 minutes before

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In the hours before

Local storm report, Jun 8, 12:54 AM CDT, 1 hour 27 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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    </section>
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  <script src="index.js"></script>
</body>
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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 7, 10:40 PM CDT	Severe Thunderstorm Warning	OUN	Love	50 min
Jun 7, 10:59 PM CDT	Severe Thunderstorm Warning	OUN	Carter	46 min
Jun 7, 11:28 PM CDT	Severe Thunderstorm Warning	OUN	Love, Marshall	47 min
Jun 8, 12:02 AM CDT	Severe Thunderstorm Warning	OUN	Bryan	58 min
Jun 8, 2:29 AM CDT	Severe Thunderstorm Warning	OUN	Jackson	46 min
Jun 8, 4:13 AM CDT	Severe Thunderstorm Warning	OUN	Comanche	47 min
Jun 8, 2:39 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Washita	36 min
Jun 8, 3:13 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Custer, Washita	47 min
Jun 8, 3:25 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods	35 min
Jun 8, 3:33 PM CDT	Severe Thunderstorm Warning	OUN	Canadian	42 min
Jun 8, 3:58 PM CDT	Tornado Warning	OUN	Canadian	32 min
Jun 8, 4:03 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	42 min
Jun 8, 4:25 PM CDT	Tornado Warning	OUN	Canadian, Oklahoma	35 min
Jun 8, 4:45 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay	45 min
Jun 8, 4:50 PM CDT	Severe Thunderstorm Warning	OUN	Caddo	30 min
Jun 8, 4:55 PM CDT	Tornado Warning	OUN	Oklahoma	35 min
Jun 8, 5:16 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln	44 min
Jun 8, 5:19 PM CDT	Severe Thunderstorm Warning	OUN	Grady	56 min
Jun 8, 5:27 PM CDT	Tornado Warning	OUN	Kay	33 min
Jun 8, 5:46 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	44 min
Jun 8, 6:10 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	50 min
Jun 8, 6:21 PM CDT	Tornado Warning	OUN	Cleveland	24 min
Jun 8, 6:37 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie	68 min
Jun 7, 7:45 PM CDT	Severe Thunderstorm Warning	OUN	Archer	30 min
Jun 8, 3:21 AM CDT	Severe Thunderstorm Warning	OUN	Wilbarger	54 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998 Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.